2 * Copyright © 2018-2019 AT&T Intellectual Property.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package org.onap.ccsdk.cds.blueprintsprocessor.nats.service
19 import io.nats.client.Nats
20 import io.nats.client.Options
21 import io.nats.streaming.NatsStreaming
22 import io.nats.streaming.StreamingConnection
23 import org.onap.ccsdk.cds.blueprintsprocessor.nats.TokenAuthNatsConnectionProperties
24 import org.onap.ccsdk.cds.controllerblueprints.core.logger
25 import org.onap.ccsdk.cds.controllerblueprints.core.splitCommaAsList
27 open class TokenAuthNatsService(private val natsConnectionProperties: TokenAuthNatsConnectionProperties) :
28 BluePrintNatsService {
30 private val log = logger(TokenAuthNatsService::class)
32 lateinit var streamingConnection: StreamingConnection
34 override suspend fun connection(): StreamingConnection {
35 if (!::streamingConnection.isInitialized) {
37 "NATS connection requesting for cluster(${natsConnectionProperties.clusterId}) with" +
38 "clientId(${natsConnectionProperties.clientId})"
41 val serverList = natsConnectionProperties.host.splitCommaAsList()
43 val options = Options.Builder()
44 .connectionName(natsConnectionProperties.clientId)
45 .servers(serverList.toTypedArray())
46 .token(natsConnectionProperties.token.toCharArray())
48 val natsConnection = Nats.connect(options)
49 val streamingOptions = io.nats.streaming.Options.Builder().natsConn(natsConnection).build()
50 streamingConnection = NatsStreaming.connect(
51 natsConnectionProperties.clusterId,
52 natsConnectionProperties.clientId, streamingOptions
55 return streamingConnection